Acquisition:Fetch:Data Transfer:Host DMA Buffer Size Property

Acquisition:Fetch:Data Transfer:Host DMA Buffer Size Property

Short Name: Host DMA Buffer Size

Property of niRFSA

Specifies the size of the DMA buffer in computer memory, in bytes. To set this property, the NI-RFSA device must be in the Configuration state.

A sufficiently large host DMA buffer improves performance by allowing large fetches to be transferred more efficiently.

Default Value: 8 MB

Supported Devices: PXIe-5820/5830/5831/5832/5840/5841/5842/5860

Remarks

The following table lists the characteristics of this property.

Datatype
Permissions	Read/Write
High-level VIs	N/A
Channel-based	No
Resettable	Yes